Research Article

Efficacy of Kami Guibi-tang as an Add-On Therapy to Acetylcholinesterase Inhibitor for Cognitive Function in Mild Alzheimer’s Disease: A Pilot Study

Table 3

Changes in SNSB scores between baseline and 24th-weekfollow-up.

VariableKGT (n = 9)Placebo (n = 7) value for treatment difference
Baseline24th weekChange valueBaseline24th weekChange value

Total SNSB-D score119.86 ± 30.38, 115.00 (59.00)112.93 ± 31.58, 108.00 (39.00)−6.93 ± 27.84, −1.50 (36.50)0.6993.79 ± 23.58, 86.00 (46.50)96.57 ± 19.44, 96.00 (36.50)2.79 ± 8.43, −1.00 (10.00)0.630.71
Attention7.00 ± 1.15, 7.00 (2.00)7.00 ± 2.08, 7.00 (4.00)0.00 ± 1.53, 0.00 (3.00)1.006.14 ± 2.19, 7.00 (5.00)7.14 ± 1.07, 7.00 (2.00)1.00 ± 2.38, 0.00 (4.00)0.440.57
 Digit span forward4.57 ± 0.98, 4.00 (2.00)4.86 ± 1.21, 5.00 (2.00)0.29 ± 0.95, 0.00 (1.00)0.753.57 ± 1.72, 4.00 (2.00)4.43 ± 0.79, 4.00 (1.00)0.86 ± 1.86, 0.00 (3.00)0.250.80
 Digit span backward2.43 ± 0.53, 2.00 (1.00)2.14 ± 1.07, 2.00 (1.00)−0.29 ± 0.95, 0.00 (1.00)0.752.57 ± 1.13, 3.00 (0.00)2.71 ± 0.49, 3.00 (1.00)0.14 ± 1.35, 0.00 (1.00)1.000.89
Language and related function18.14 ± 5.11, 19.00 (8.00)18.29 ± 4.11, 17.00 (7.00)0.14 ± 2.79, 0.00 (3.00)0.8816.43 ± 5.88, 18.00 (12.00)17.14 ± 4.78, 19.00 (9.00)0.71 ± 2.69, 0.00 (3.00)0.811.00
 K-BNT8.86 ± 3.53, 11.00 (6.00)8.71 ± 3.04, 8.00 (6.00)−0.14 ± 1.95, 0.00 (2.00)1.007.86 ± 2.85, 9.00 (6.00)7.86 ± 3.08, 9.00 (5.00)0.00 ± 1.63, 0.00 (2.00)1.000.80
 Calculation9.29 ± 2.36, 8.00 (4.00)9.57 ± 2.23, 10.00 (5.00)0.29 ± 1.25, 0.00 (3.00)0.508.57 ± 3.21, 9.00 (5.00)9.29 ± 2.14, 10.00 (4.00)0.71 ± 2.56, 0.00 (2.00)0.811.00
Visuospatial function25.43 ± 10.30, 31.50 (18.00)25.71 ± 9.31, 30.00 (9.50)0.29 ± 6.42, −1.50 (9.50)1.0027.36 ± 5.38, 28.00 (10.50)25.00 ± 6.06, 27.50 (10.00)−2.36 ± 6.66, −2.00 (4.50)0.200.66
Memory36.00 ± 16.56, 41.50 (26.00)33.07 ± 13.40, 34.50 (26.00)−2.93 ± 16.99, −2.50 (29.50)0.7221.57 ± 8.13, 20.00 (14.00)24.43 ± 9.55, 27.00 (11.00)2.86 ± 7.47, 6.00 (11.50)0.380.53
 Orientation4.71 ± 1.89, 6.00 (4.00)3.86 ± 2.12, 5.00 (4.00)−0.86 ± 1.07, −1.00 (1.00)0.133.57 ± 1.51, 3.00 (3.00)3.43 ± 1.40, 4.00 (3.00)−0.14 ± 1.86, −1.00 (3.00)1.000.60
 SVLT recall13.57 ± 5.50, 15.00 (12.00)13.57 ± 4.47, 14.00 (5.00)0.00 ± 7.42, 0.00 (7.00)0.819.43 ± 3.87, 8.00 (7.00)11.71 ± 5.06, 11.00 (10.00)2.29 ± 3.04, 3.00 (5.00)0.160.62
 SVLT recognition5.86 ± 4.02, 4.00 (7.00)5.29 ± 2.69, 5.00 (4.00)−0.57 ± 4.54, 0.00 (7.00)0.883.14 ± 1.95, 3.00 (4.00)4.00 ± 2.45, 5.00 (4.00)0.86 ± 2.97, 1.00 (6.00)0.520.62
 Rey recall6.00 ± 5.07, 7.00 (9.50)6.36 ± 7.28, 7.50 (9.00)0.36 ± 7.81, 0.00 (5.00)0.813.57 ± 2.56, 3.50 (4.50)1.86 ± 1.89, 1.00 (3.50)−1.71 ± 2.63, −1.50 (3.00)0.160.57
 Rey recognition5.86 ± 4.18, 5.00 (2.00)4.00 ± 2.94, 4.00 (4.00)−1.86 ± 4.56, −1.00 (8.00)0.441.86 ± 2.19, 1.00 (5.00)3.43 ± 4.43, 2.00 (6.00)1.57 ± 4.89, 1.00 (4.00)0.470.27
Frontal and executive function33.29 ± 14.16, 33.00 (16.00)28.86 ± 16.95, 21.00 (25.00)−4.43 ± 7.52, −1.00 (12.00)0.2522.29 ± 9.50, 24.00 (16.00)22.86 ± 5.21, 23.00 (11.00)0.57 ± 6.73, 0.00 (9.00)1.000.39
 Motor impersistence3.00 ± 0.00, 3.00 (0.00)3.00 ± 0.00, 3.00 (0.00)0.00 ± 0.00, 0.00 (0.00)3.00 ± 0.00, 3.00 (0.00)3.00 ± 0.00, 3.00 (0.00)0.00 ± 0.00, 0.00 (0.00)1.00
 Contrasting program2.43 ± 0.98, 3.00 (2.00)1.43 ± 0.98, 1.00 (1.00)−1.00 ± 1.15, −1.00 (2.00)0.131.71 ± 1.38, 2.00 (3.00)2.14 ± 1.07, 3.00 (2.00)0.43 ± 1.27, 0.00 (1.00)0.750.08
 Go-no-go test1.00 ± 1.00, 1.00 (1.00)1.29 ± 0.95, 1.00 (1.00)0.29 ± 0.49, 0.00 (1.00)0.501.00 ± 0.82, 1.00 (2.00)1.29 ± 0.95, 1.00 (1.00)0.29 ± 1.11, 0.00 (2.00)0.751.00
 Fist-edge-palm2.43 ± 0.53, 2.00 (1.00)2.29 ± 0.95, 3.00 (2.00)−0.14 ± 1.07, 0.00 (2.00)1.001.86 ± 0.90, 2.00 (2.00)2.43 ± 0.79, 3.00 (1.00)0.57 ± 0.53, 1.00 (1.00)0.130.21
 Luria loop2.57 ± 1.13, 3.00 (0.00)1.71 ± 1.60, 3.00 (3.00)−0.86 ± 1.46, 0.00 (3.00)0.502.14 ± 1.46, 3.00 (3.00)2.00 ± 1.41, 3.00 (3.00)−0.14 ± 1.46, 0.00 (0.00)1.000.39
 Word fluency: animal10.14 ± 4.26, 9.00 (4.00)4.43 ± 5.44, 8.00 (4.00)−2.43 ± 2.64, −2.00 (4.00)0.087.14 ± 2.19, 8.00 (5.00)5.71 ± 1.38, 5.00 (2.00)−1.43 ± 1.62, −1.00 (3.00)0.130.49
 Word fluency: Korean4.86 ± 3.63, 5.00 (5.00)4.43 ± 5.44, 4.00 (7.00)−0.43 ± 2.76, 0.00 (3.00)0.692.71 ± 2.81, 1.00 (6.00)2.71 ± 2.87, 1.00 (5.00)0.00 ± 3.00, 0.00 (2.00)1.000.75
 Stroop test6.86 ± 4.49, 5.00 (6.00)7.00 ± 5.72, 6.00 (9.00)0.14 ± 2.12, 0.00 (4.00)1.002.71 ± 4.27, 2.00 (3.00)3.57 ± 3.69, 2.00 (7.00)0.86 ± 4.06, 0.00 (9.00)0.750.90

SNSB-D, Seoul Neuropsychological Screening Battery-Dementia Version; KGT, Kami Guibi-tang, K-BNT; Korean version of Boston Naming Test, SVLT; Seoul Verbal Learning Test. Values are presented as mean ± standard deviation, median (interquartile range). Based on Wilcoxon signed rank test. Based on Wilcoxon rank sum test.